Wall rack



FIG. 1 is a front perspective view of a wall rack;

FIG. 2 is a top plan view of the wall rack;

FIG. 3 is a front elevation view of the wall rack;

FIG. 4 is a left side elevation view of the wall rack;

FIG. 5 is a right side elevation view of the wall rack;

FIG. 6 is a rear elevation view of the wall rack;

FIG. 7 is a bottom plan view of the wall rack; and,

FIG. 8 is a rear perspective view of the wall rack.

Broken lines shown in the drawing views represent environmental structure and portions of the article that form no part of the claimed design. 

CLAIM I claim the ornamental design for a wall rack, as shown and described. 